Icon Audio MB30m Instruction Manual - page 2
*See engineers notes at rear
Page
2
Final Inspection - Your Guarantee of Quality
To assure you of optimum performance and reliability, this amplifier has passed our rigorous
final inspection and listening test by the Icon Audio team in Leicester.
Date
…./…./….
Model
……….
Amp Serial Number
……….
Customer
……………………………
Check amplifier finish
……….
Internal wiring check
……….
Bias meter calibration .…..ma
Run min 10 hour test
……….
Check
input
……….
Output Valve Bias level
……...v
Sound
Quality ……….
Channel
Balance
……….
Valve
Microphony
……….
Valve
Seating ……….
Hum
level
L…...R.…..mv
RF
Test
……….
LED
brightness
……….
Serial No sticker and recorded
……….
Mains voltage
110-120 / 230-240V
IEC Mains Fuse
………A
Soft Start Fitted
N/A.….
Sales
invoice
……….
Bottom
label
……….
Credit card receipt
.………
Customer survey form
.………
Bias
meter
……….
Transformer Protection
N/A.….
Upgrades:
Output valves
……....……….
1
st
Stage valve
……………….
Capacitor grade (Audio)
……….
Mains
lead
……….
Other
………………………………
……………………………………
……………………………………
……………………………………
……………………………………
……………………………………
……………………………………
Signed
off
by
……………………….
Notes:
Please note we do not test the standard mains lead or plug fuse.